Besides the kickass license plate, we also spot a very subtle trunk lip-spoiler with Laguna Seca and Thunderhill Raceway stickers adorning the back window. And! Aftermarket exhaust tips, which almost certainly mean an aftermarket exhaust system. Because everybody wants to hear that 5.0-liter V10 SING.

Whoever you are, you are a class-fuckin’-act, my friend.

Update #1: A twist! User Alexioflexio wrote in to say that the reason the M5's Jalopnik spelling used a “4" instead of an “A” was because he stole the vanity plate first: